Below is a list commercial programs that are based on the Orton-Gillingham style of instruction. These are phonics based programs that use multisensory teaching strategies.
Orton-Gillingham
http://www.orton-gillingham.com/
Barton Reading and Spelling
http://bartonreading.com/
Lindamood Bell
http://www.lindamoodbell.com/
Slingerland Institute
http://www.slingerland.org/